For fingerprint images WSQ (Wavelet Scalar Quantization) is superior to other lossy compression methods, such as JPEG, and was chosen by FBI (U.S. Federal Bureau of Investigation) as the fingerprint image compression standard.
WSQ is a lossy compression method that is well-suited for preserving the very high resolution details of grayscale images while maintaining high compression ratios of typically 12:1 to 15:1.

Cognaxon WSQ image library provides the easy way to add WSQ image format support to your software projects. WSQ image library reads and converts between WSQ and 31 other graphic file formats, it is small (~ 1.5 Megabyte) and fast, and has graphics format conversion utility.

VintaSoftTiff.NET Library allows to work with multipage TIFF files without usage of temporary file. You can add image to TIFF file, delete image from TIFF file, split one multipage TIFF file to many files.

Image2PDF Add-on is a library that helps you to convert images to PDF using PDF Creator Pilot. All major image formats, such as BMP, JPEG, GIF, TIFF (including multipage), TGA, filters and transformations are supported.

UniView is a powerful image viewer, converter and manipulation tool. It support 50+ most popular image formats. It also intergates many functions, including encrypt images,batch convert and rename image files, animation controls and html album maker.

Advanced batch image conversion supporting over 140 formats and an entire arsenal of options and features. Comprehensive support for compression, sub-formats, color depths, naming templates, and resizing/rotating in the same operation are available.

VintaSoftTiff.NET Library allows to work with multipage TIFF files without usage of temporary file. You can add image to TIFF file, delete image from TIFF file, split one multipage TIFF file to many files.

Image2PDF Add-on is a library that helps you to convert images to PDF using PDF Creator Pilot. All major image formats, such as BMP, JPEG, GIF, TIFF (including multipage), TGA, filters and transformations are supported.

The EyeC++ library is a high-performance, high-quality, C++ class library intended for both image file format conversion and image viewing tasks. Pricing is differentiated so that you pay only for what you need. Full source code is supplied.